Home / 131,579.07-197,381.10-36,809.27

Finding the Fourth Proportional to 131,579.07, 197,381.10 and 36,809.27

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Solution

The fourth proportional to 131,579.07, 197,381.10 and 36,809.27 is: 55,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,579.07 : 197,381.10 = 36,809.27 : x
  2. Step 2: Convert to fraction form
    131,579.07/197,381.10 = 36,809.27/x
  3. Step 3: Cross multiply
    131,579.07x = 197,381.10 × 36,809.27
  4. Step 4: Simplify right side
    131,579.07x = 7,265,454,094.11
  5. Step 5: Solve for x
    x = 7,265,454,094.11/131,579.07
  6. Step 6: Final answer
    x = 55,217.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.